Stock Option Plans (Details) - $ / shares shares in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Employee Plan 2005 [Member]
Shares under option:
Options outstanding-Shares	1,690	1,482
Granted-Shares	250	325
Exercised - Shares	0	(34)
Forfeited-Shares	(476)	(83)
Options outstanding-Shares	1,464	1,690
Options Exercisable-Shares	1,044
Options outstanding-Weighted Average Exercise Price	$ 1.70	$ 1.56
Granted-Weighted Average Exercise Price	0.40	0.94
Exercised-Weighted Average Exercise Price	0	1.20
Forfeited-Weighted Average Exercise Price	1.20	1.62
Options outstanding-Weighted Average Exercise Price	1.33	1.70
Options exercisable-Weighted Average Exercise Price	1.49
Weighted-average fair value of options granted during:
Weighted-average fair value of options granted	$ 0.02	$ 0.72
Director Plan 2005 [Member]
Shares under option:
Options outstanding-Shares	349	299
Granted-Shares	59	50
Exercised - Shares	0	0
Forfeited-Shares	0	0
Options outstanding-Shares	408	349
Options Exercisable-Shares	349
Options outstanding-Weighted Average Exercise Price	$ 1.27	$ 1.34
Granted-Weighted Average Exercise Price	0.95	0.88
Exercised-Weighted Average Exercise Price	0	0
Forfeited-Weighted Average Exercise Price	0	0
Options outstanding-Weighted Average Exercise Price	1.22	1.27
Options exercisable-Weighted Average Exercise Price	1.27
Weighted-average fair value of options granted during:
Weighted-average fair value of options granted	$ 0.02	$ 0.72